The Combined Nomenclature (CN), v1:2024
8487 90 57: Parts of machinery of chapter 84, not intended for a specific purpose, of open-die forged or closed-die forged iron or steel, n.e.s.
https://www.dst.dk/en/Statistik/dokumentation/nomenklaturer/kn?id=ff35b666-b08b-41b5-bea1-78e213f89ca8